1389716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 2612736

約数和(自身を除く): 1223020

約数列:

[1, 2, 4, 17, 34, 68, 107, 191, 214, 382, 428, 764, 1819, 3247, 3638, 6494, 7276, 12988, 20437, 40874, 81748, 347429, 694858, 1389716]

約数ペア:

[(1, 1389716), (2, 694858), (4, 347429), (17, 81748), (34, 40874), (68, 20437), (107, 12988), (191, 7276), (214, 6494), (382, 3638), (428, 3247), (764, 1819)]